docs: def invert(m):
      """
      Generate the inverse of a 3x3 matrix.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/invert_c.html
  
      :param m: Matrix to be inverted.
      :type m: 3x3-Element Array of floats
      :return: Inverted matrix (m1)^-1
      :rtype: 3x3-Element Array of floats
      """
      m = stypes.toDoubleMatrix(m)
      mout = stypes.emptyDoubleMatrix()
      libspice.invert_c(m, mout)
      return stypes.cMatrixToNumpy(mout)